Emerald Dragon // Dissonant Wave 
// 
Creature — Dragon // Instant — Adventure
$0.23 #9870 0.00 4.2 years
Flying, trample
Counter target activated or triggered ability from a noncreature source. (Then exile this card. You may cast the creature later from exile.)
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Stifle87%
$9.53↑#4588↑0.77↑23.3 years↑
"Counter target activated or triggered ability."
Stingerback Terror85%
$0.26↑#17532↓0.22↑2.4 years↓
"Flying, trample"
Repudiate // Replicate84%
$0.34↑#92480.50↑7.6 years↑
"Counter target activated or triggered ability."
Disallow84%
$0.41↑#1819↑0.45↑9.6 years↑
"Counter target spell, activated ability, or triggered ability."
Bind82%
$5.13↑#15301↓0.0025.9 years↑
"Counter target activated ability."
Green Slime80%
$1.55↑#5604↑0.27↑4.2 years
"When this creature enters, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent."
Voidslime80%
$0.32↑#4511↑0.25↑20.3 years↑
"Counter target spell, activated ability, or triggered ability."
Louisoix's Sacrifice78%
$0.34↑#6183↑0.29↑1.2 years↓
"Counter target activated ability, triggered ability, or noncreature spell."
Orcus, Prince of Undeath78%
$0.35↑#84790.47↑5.1 years
"Flying, trample"
Squelch78%
$0.26↑#22228↓0.41↑21.9 years↑
"Counter target activated ability."
Decadent Dragon // Expensive Taste77%
$0.95↑#3260↑0.19↑3.0 years↓
"Flying, trample"
Sapphire Dragon // Psionic Pulse76%
$0.32↑#5655↑0.21↑4.2 years
"Counter target noncreature spell."
Earthquake Dragon76%
$4.57↑#3362↑0.22↑4.2 years
"Flying, trample"
Brokers Confluence76%
$1.42↑#100090.55↑4.4 years
"• Counter target activated or triggered ability."
Owlbear76%
$0.21↓#93390.27↑5.1 years
"Trample"
Aloe Alchemist74%
$0.16↓#17540↓0.29↑2.4 years↓
"Trample"
Trickbind74%
$9.21↑#6494↑0.14↑19.9 years↑
"Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn."
Rust73%
$0.59↑#27962↓0.0632.3 years↑
"Counter target activated ability from an artifact source."
Tale's End73%
$2.99↑#4793↑0.76↑7.2 years↑
"Counter target activated ability, triggered ability, or legendary spell."
Railway Brawler72%
$5.84↑#2492↑0.36↑2.4 years↓
"Reach, trample"